参数资料
型号: ISL6439IBZ
厂商: Intersil
文件页数: 5/15页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM VM 14-SOIC
标准包装: 500
PWM 型: 电压模式
输出数: 1
频率 - 最大: 340kHz
占空比: 100%
电源电压: 3.3 V ~ 5 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 85°C
封装/外壳: 14-SOIC(0.154",3.90mm 宽)
包装: 管件
ISL6439, ISL6439A
Absolute Maximum Ratings
Thermal Information
Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .+7V
Thermal Resistance
θ JA (°C/W)
θ JC (°C/W)
Absolute Boot Voltage, V BOOT . . . . . . . . . . . . . . . . . . . . . . . +15.0V
Upper Driver Supply Voltage, V BOOT - V PHASE . . . . . . . . . . . +6.0V
Input, Output or I/O Voltage . . . . . . . . . . GND - 0.3V to VCC + 0.3V
Operating Conditions
Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . +3.3V ±10%
Ambient Temperature Range . . . . . . . . . . . . . . . . . . .-40°C to +85°C
SOIC Package (Note 1) . . . . . . . . . . . . 67 N/A
QFN Package (Note 2). . . . . . . . . . . . . 35 5
Maximum Junction Temperature . . . . . . . . . . . . . . . . . . . . . +150°C
Maximum Storage Temperature Range . . . . . . . . . .-65°C to +150°C
Pb-Free Reflow Profile. . . . . . . . . . . . . . . . . . . . . . . . .see link below
For Recommended soldering conditions see Tech Brief TB389.
Junction Temperature Range. . . . . . . . . . . . . . . . . .-40°C to +125°C
CAUTION: Do not operate at or near the maximum ratings listed for extended periods of time. Exposure to such conditions may adversely impact product reliability and
result in failures not covered by warranty.
NOTE:
1. θ JA is measured with the component mounted on a high effective thermal conductivity test board in free air. See Tech Brief TB379 for details.
2. θ JA is measured in free air with the component mounted on a high effective thermal conductivity test board with “direct attach” features. θ JC, the
“case temp” is measured at the center of the exposed metal pad on the package underside. See Tech Brief TB379.
3. Limits established by characterization and are not production tested.
Electrical Specifications
Recommended Operating Conditions, Unless Otherwise Noted V CC = 3.3V±5% and T A = +25°C
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNITS
VCC SUPPLY CURRENT
Nominal Supply
I BIAS
6.1
6.9
7.7
mA
POWER-ON RESET
Rising CPVOUT POR Threshold
POR
Commercial
4.25
4.30
4.42
V
CPVOUT POR Threshold Hysteresis
Industrial
4.10
0.3
4.30
0.6
4.50
0.9
V
V
OSCILLATOR
Frequency
Ramp Amplitude
f OSC
Δ V OSC
IC = ISL6439C, Commercial
IC = ISL6439I, Industrial
IC = ISL6439AC, Commercial
IC = ISL6439AI, Industrial
275
250
554
524
-
300
300
600
600
1.5
325
340
645
650
-
kHz
kHz
kHz
kHz
V P-P
REFERENCE
Reference Voltage Tolerance
-
-
1.5
%
Nominal Reference Voltage
V REF
-
0.800
-
V
Charge Pump
Nominal Charge Pump Output
Charge Pump Output Regulation
V CPVOUT
V VCC = 3.3V, No Load
-
-
5.1
2
-
-
V
%
ERROR AMPLIFIER
DC Gain
Gain-Bandwidth Product
Slew Rate
GBWP
SR
Note 3
-
-
-
88
15
6
-
-
-
dB
MHz
V/ μ s
SOFT START
Soft Start Slew Rate
Commercial
Industrial
6.2
6.2
7.3
7.6
ms
ms
5
FN9057.5
November 5, 2008
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ISL6439IR 功能描述:IC REG CTRLR BUCK PWM VM 16-QFN RoHS:否 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 标准包装:4,000 系列:- PWM 型:电压模式 输出数:1 频率 - 最大:1.5MHz 占空比:66.7% 电源电压:4.75 V ~ 5.25 V 降压:是 升压:无 回扫:无 反相:无 倍增器:无 除法器:无 Cuk:无 隔离:无 工作温度:-40°C ~ 85°C 封装/外壳:40-VFQFN 裸露焊盘 包装:带卷 (TR)
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